This notebook is all about benchmarking some R code used in this package.
Hardware / Software used:
- Intel i7-4600U
- Compilation flags for C/C++:
-O2 -Wall $(DEBUGFLAG) -mtune=core2 (R’s defaults)
- Windows Server 2012 R2
- R 3.3.2 + Intel MKL
Libraries
library(data.table)
data.table 1.10.4
The fastest way to learn (by data.table authors): https://www.datacamp.com/courses/data-analysis-the-data-table-way
Documentation: ?data.table, example(data.table) and browseVignettes("data.table")
Release notes, videos and slides: http://r-datatable.com
library(microbenchmark)
library(Rcpp)
library(ggplot2)
library(plotly)
Attaching package: <U+393C><U+3E31>plotly<U+393C><U+3E32>
The following object is masked from <U+393C><U+3E31>package:ggplot2<U+393C><U+3E32>:
last_plot
The following object is masked from <U+393C><U+3E31>package:stats<U+393C><U+3E32>:
filter
The following object is masked from <U+393C><U+3E31>package:graphics<U+393C><U+3E32>:
layout
# Helper function to print data well in tables
print_well <- function(data, digits = 6) {
# To milliseconds
data <- data / 1000000
# Sprintf helper
sprintf_helper <- paste0("%.0", digits, "f")
cat("| Min | 25% | 50% | 75% | Max | Mean | \n| --: | --: | --: | --: | --: | --: | \n| ", sprintf(sprintf_helper, min(data)), " | ", sprintf(sprintf_helper, quantile(data, probs = 0.25)), " | ", sprintf(sprintf_helper, median(data)), " | ", sprintf(sprintf_helper, quantile(data, probs = 0.75)), " | ", sprintf(sprintf_helper, max(data)), " | ", sprintf(sprintf_helper, mean(data)), " | \n", sep = "")
return(data)
}
# Test case function
# Arguments renamed to avoid recursive clash
test_case <- function(f, preds, labels, eps) {
cat("Test case: ", paste(do.call(f, list(preds = preds[1:50],
labels = labels[1:5],
eps = 1e-15)), collapse = ", "), " \n", sep = "")
}
# Fastest Logloss function
cppFunction("double Lpp_logloss1(NumericVector preds, NumericVector labels, double eps) {
NumericVector clamped = clamp(eps, preds, 1 - eps);
NumericVector loggy = -log(1 - clamped);
double logloss = sum(loggy) / loggy.size();
return logloss;
}")
# Fastest Transformer function
cppFunction("NumericVector Lpp_vec2mat2vec(NumericVector preds, NumericVector labels) {
int labels_size = labels.size();
NumericVector selected(labels_size);
selected = (preds.size() / labels_size) * seq(0, labels_size - 1);
selected = selected + labels;
NumericVector to_return(labels_size);
to_return = preds[selected];
return to_return;
}")
Benchmarking Clamped Vector to Logloss
For a 10-class vector of 1,000,000 observations:
- Vector A of length=(1000000 * 10)
- Vector B of length=(1000000) with 10 classes
A = [1:1, 1:2, 1:3, 1:4... 1:10, 2:1, 2:2, 2:3..., 1000000:8, 1000000:9, 1000000:10]
B = [3, 5, 9, 1, 4, 8, 6, ...]
Get the following Vector C, D, and E:
C = [1:4, 2:6, 3:10, 4:2, 5:5, 6:9, 7:7, ...]
D = Clamped C by 1e-15
E = Mean of logloss(D, B)
Initialize data
# Generate random data
set.seed(11111)
data <- runif(10000000, 0, 1)
labels <- round(runif(1000000, 0, 9), digits = 0)
# Background truth example (no clamping though)
array(data[1:50], dim = c(10, 5))
[,1] [,2] [,3] [,4] [,5]
[1,] 0.5014483 0.57219649 0.70236924 0.06440384 0.78924978
[2,] 0.9702328 0.34292525 0.50889166 0.65780657 0.72449914
[3,] 0.7876004 0.09627503 0.20268701 0.19973930 0.00886554
[4,] 0.9022259 0.74235690 0.90706612 0.24664551 0.57348710
[5,] 0.8141778 0.42274539 0.05441064 0.25997440 0.73034459
[6,] 0.7998922 0.98402494 0.09045308 0.14869691 0.42458612
[7,] 0.1158690 0.89258437 0.85759800 0.21375685 0.07684022
[8,] 0.7171363 0.59541565 0.94780036 0.20598170 0.53318628
[9,] 0.1020639 0.80531234 0.16479666 0.02075780 0.28521238
[10,] 0.6856938 0.42102379 0.42536097 0.63880218 0.86408083
labels[1:5]
[1] 5 1 1 7 8
data[c(1 + labels[1], 11 + labels[2], 21 + labels[3], 31 + labels[4], 41 + labels[5])]
[1] 0.7998922 0.3429253 0.5088917 0.2059817 0.2852124
-log(1 - data[c(1 + labels[1], 11 + labels[2], 21 + labels[3], 31 + labels[4], 41 + labels[5])])
[1] 1.6088991 0.4199575 0.7110905 0.2306488 0.3357698
mean(-log(1 - data[c(1 + labels[1], 11 + labels[2], 21 + labels[3], 31 + labels[4], 41 + labels[5])]))
[1] 0.6612731
# How many digits for benchmarking in milliseconds
my_digits <- 6L
# How many runs for benchmarking?
my_runs <- 1000L
Benchmarks
# ===== BLOCK 1 =====
faster1 <- function(preds, labels, eps = 1e-15) {
temp_preds <- Lpp_vec2mat2vec(preds, labels)
temp_log <- Lpp_logloss1(temp_preds, labels, eps)
return(temp_log)
}
test_case(faster1, preds = data, labels = labels, eps = 1e-15)
Test case: 0.661273148685013
data1 <- print_well(microbenchmark(faster1(data, labels), times = my_runs)$time, digits = my_digits)
| 68.776904 |
74.052150 |
77.595495 |
80.546207 |
158.218773 |
79.329577 |
# ===== BLOCK 2 =====
faster2 <- function(preds, labels, eps = 1e-15) {
x <- pmin(pmax(preds[((0:(length(labels) - 1)) * (length(preds) / length(labels))) + labels + 1], eps), 1 - eps)
return(-mean(log(1 - x)))
}
test_case(faster2, preds = data, labels = labels, eps = 1e-15)
Test case: 0.661273148685013
data2 <- print_well(microbenchmark(faster2(data, labels), times = my_runs)$time, digits = my_digits)
| 76.919802 |
83.673872 |
87.017170 |
90.827465 |
168.569882 |
90.820915 |
# ===== BLOCK 3 =====
faster3 <- function(preds, labels, eps = 1e-15) {
x <- pmin(pmax(preds[((0:(length(labels) - 1)) * (length(preds) / length(labels))) + labels + 1], eps), 1 - eps)
return(-sum(log(1 - x)) / length(labels))
}
test_case(faster3, preds = data, labels = labels, eps = 1e-15)
Test case: 0.661273148685013
data3 <- print_well(microbenchmark(faster3(data, labels), times = my_runs)$time, digits = my_digits)
| 76.257605 |
83.326427 |
85.514111 |
88.191601 |
170.386934 |
90.041468 |
# ===== BLOCK 4 =====
cppFunction("double faster4(NumericVector preds, NumericVector labels, double eps) {
int labels_size = labels.size();
NumericVector selected(labels_size);
selected = (preds.size() / labels_size) * seq(0, labels_size - 1);
selected = selected + labels;
NumericVector to_return(labels_size);
to_return = preds[selected];
NumericVector clamped = clamp(eps, to_return, 1 - eps);
NumericVector loggy = -(log(1 - clamped));
double logloss = sum(loggy) / labels_size;
return logloss;
}")
test_case(faster4, preds = data, labels = labels, eps = 1e-15)
Test case: 0.661273148685013
data4 <- print_well(microbenchmark(faster4(data, labels, eps = 1e-15), times = my_runs)$time, digits = my_digits)
| 68.158803 |
70.104625 |
79.027087 |
81.212965 |
155.654754 |
77.006338 |
Summary Results
data_time <- data.table(rbindlist(list(data.frame(Time = data1, Bench = "faster1"),
data.frame(Time = data2, Bench = "faster2"),
data.frame(Time = data3, Bench = "faster3"),
data.frame(Time = data4, Bench = "faster4"))))
data_time <- data_time[, t_mean := mean(Time), by = Bench]
data_time <- data_time[, t_median := median(Time), by = Bench]
data_time$Benchs <- data_time$Bench
levels(data_time$Benchs) <- paste0("faster", 1:4, "= [", sprintf(paste0("%.0", my_digits, "f"), data_time[, list(min(Time)), by = Bench]$V1), ", ", sprintf(paste0("%.0", my_digits, "f"), data_time[, list(max(Time)), by = Bench]$V1), "], mean=", sprintf(paste0("%.0", my_digits, "f"), data_time[, list(mean(Time)), by = Bench]$V1), ", median=", sprintf(paste0("%.0", my_digits, "f"), data_time[, list(median(Time)), by = Bench]$V1))
my_time <- data_time[, list(min(Time), quantile(Time, probs = 0.25), median(Time), quantile(Time, probs = 0.75), max(Time), mean(Time)), by = Bench]
colnames(my_time) <- c("Function", "Min", "25%", "50%", "75%", "Max", "Mean")
my_time <- my_time[order(Mean, decreasing = FALSE), ]
print(my_time, digits = 6)
Plot Results
ggplotly(ggplot(data = data_time, aes(x = Time)) + geom_histogram(aes(y = ..density..), bins = 20, color = "darkblue", fill = "lightblue") + facet_wrap(~ Benchs, ncol = 2) + geom_vline(aes(xintercept = t_mean), color = "blue", linetype = "dashed", size = 2) + geom_vline(aes(xintercept = t_median), color = "red", linetype = "dashed", size = 2) + labs(x = "Time (Milliseconds)", y = "Density") + theme_bw())
ggplotly(ggplot(data = data_time[, .(Time, Bench)], aes(x = Time, y = ..count.., fill = Bench)) + geom_histogram(aes(y = ..density..), bins = 100, position = "fill") + labs(x = "Time (Milliseconds)", y = "Density") + theme_bw())
ggplotly(ggplot(data = data_time[, .(Time, Bench)], aes(x = Time, y = ..count.., fill = Bench)) + geom_density(position = "fill") + labs(x = "Time (Milliseconds)", y = "Density") + theme_bw())
Scaling Benchmarks
Benchmarker <- function(f, size, runs, digits, name) {
data_runs <- list()
for (i in 1:length(size)) {
set.seed(11111)
data <- runif(size[i] * 10, 0, 1)
labels <- round(runif(size[i], 0, 9), digits = 0)
cat(" \n \n## ", name, " run: ",format(size[i], big.mark = ",", scientific = FALSE), " samples (", format(runs[i], big.mark = ",", scientific = FALSE), " times) \n \n", sep = "")
test_case(f, preds = data, labels = labels, eps = 1e-15)
cat(" \n")
data_runs[[i]] <- print_well(microbenchmark(f(data, labels, eps = 1e-15), times = runs[i])$time, digits = digits)
data_runs[[i]] <- data.table(Bench = as.factor(paste0("[", i, "] ", format(size[i], big.mark = ",", scientific = FALSE))), Function = as.factor(name), Time = data_runs[[i]])
gc(verbose = FALSE)
}
return(data_runs)
}
bench_size <- c(100, 1000, 10000, 100000, 1000000, 10000000)
bench_runs <- c(10000, 5000, 1000, 500, 100, 50)
run1 <- Benchmarker(faster3, bench_size, bench_runs, my_digits, "Pure R")
Pure R run: 100 samples (10,000 times)
Test case: 1.35212558439888
| 0.022808 |
0.025469 |
0.027370 |
0.043335 |
4.638802 |
0.036441 |
Pure R run: 1,000 samples (5,000 times)
Test case: 1.11833540263107
| 0.073366 |
0.076787 |
0.083630 |
0.091613 |
3.864085 |
0.088550 |
Pure R run: 10,000 samples (1,000 times)
Test case: 0.797706755821707
| 0.586930 |
0.595673 |
0.670181 |
0.683865 |
3.591907 |
0.670329 |
Pure R run: 100,000 samples (500 times)
Test case: 1.90925095682509
| 6.245258 |
6.728032 |
7.275997 |
7.517289 |
29.690539 |
7.664803 |
Pure R run: 1,000,000 samples (100 times)
Test case: 0.661273148685013
| 64.671813 |
67.926919 |
71.717638 |
75.255851 |
151.530276 |
74.316310 |
Pure R run: 10,000,000 samples (50 times)
Test case: 0.966169328545996
| 741.884853 |
786.242472 |
809.841423 |
821.969478 |
993.530082 |
812.830624 |
run2 <- Benchmarker(faster4, bench_size, bench_runs, my_digits, "Rcpp")
Rcpp run: 100 samples (10,000 times)
Test case: 1.35212558439888
| 0.006082 |
0.006463 |
0.006843 |
0.007223 |
0.068045 |
0.007184 |
Rcpp run: 1,000 samples (5,000 times)
Test case: 1.11833540263107
| 0.051318 |
0.055120 |
0.060062 |
0.067284 |
0.210595 |
0.064723 |
Rcpp run: 10,000 samples (1,000 times)
Test case: 0.797706755821707
| 0.510143 |
0.515369 |
0.583890 |
0.593773 |
1.034731 |
0.574722 |
Rcpp run: 100,000 samples (500 times)
Test case: 1.90925095682509
| 5.590283 |
5.684082 |
5.804680 |
6.427818 |
12.891180 |
6.154242 |
Rcpp run: 1,000,000 samples (100 times)
Test case: 0.661273148685013
| 57.931618 |
59.823270 |
62.286268 |
66.095328 |
138.984261 |
63.797930 |
Rcpp run: 10,000,000 samples (50 times)
Test case: 0.966169328545996
| 673.112510 |
692.100884 |
695.991768 |
706.077447 |
800.154031 |
702.179116 |
Scaling Results
run1_all <- rbindlist(run1)
run2_all <- rbindlist(run2)
run_all <- rbind(run1_all, run2_all)
run_all$Repeats <- rep(inverse.rle(list(lengths = bench_runs, values = bench_size)), 2)
run_all$MilObs <- (1000 / run_all$Time) * run_all$Repeats / 1000000
run_time <- run_all[, list(quantile(Time, probs = 0.05), median(Time), quantile(Time, probs = 0.95), mean(Time)), by = list(Function, Bench)]
colnames(run_time) <- c("Function", "Benchmark", "5%", "50%", "95%", "Mean")
run_time$`Mil.Obs/s` <- (1000 / run_time$Mean) * bench_size / 1000000
run_time$`5%` <- format(run_time$`5%`, digits = 6, scientific = FALSE)
run_time$`50%` <- format(run_time$`50%`, digits = 6, scientific = FALSE)
run_time$`95%` <- format(run_time$`95%`, digits = 6, scientific = FALSE)
run_time$Mean <- format(run_time$Mean, digits = 6, scientific = FALSE)
run_time$`Mil.Obs/s` <- format(run_time$`Mil.Obs/s`, digits = 6, scientific = FALSE)
print(run_time[1:(nrow(run_time) / 2)])
print(run_time[(nrow(run_time) / 2 + 1):nrow(run_time)])
ggplot(run_all, aes(x = Bench, y = Time, color = Function, fill = Bench)) + geom_boxplot() + scale_y_log10(labels = scales::comma, breaks = c(0.01, 0.1, 1, 10, 100, 1000, 10000)) + stat_summary(fun.y = mean, geom = "line", aes(group = Function)) + stat_summary(fun.y = mean, geom = "point", aes(group = Function)) + labs(x = "Benchmark", y = "Time (Milliseconds)") + theme_bw()

ggplot(run_all, aes(x = Bench, y = MilObs, color = Function, fill = Bench)) + geom_boxplot() + scale_y_log10(labels = scales::comma, breaks = c(1, 2.5, 5, 7.5, 10, 12.5, 15, 17.5, 20, 22.5, 25), limits = c(1, NA)) + stat_summary(fun.y = mean, geom = "line", aes(group = Function)) + stat_summary(fun.y = mean, geom = "point", aes(group = Function)) + labs(x = "Benchmark", y = "Throughput (Million Obs./s)") + theme_bw()

ggplot(data = run_all, aes(x = MilObs, color = Function, fill = Function, group = Function)) + coord_flip() + stat_ecdf(aes(ymin = ..y.., ymax = 1), alpha = 0.5, geom = "ribbon") + stat_ecdf(geom = "line", size = 2, alpha = 0.75, pad = FALSE) + labs(x = "Throughput (Million Obs./s)", y = "Percentile") + facet_wrap(~ Bench, dir = "h", ncol = 2, scales = "free") + theme_bw()

---
title: "Benchmarks: Multi-class Logloss"
output:
  html_notebook:
    collapsed: no
    theme: united
    toc: yes
    toc_depth: 1
    toc_float: yes
---

This notebook is all about benchmarking some R code used in this package.

Hardware / Software used:

* Intel i7-4600U
* Compilation flags for C/C++: `-O2 -Wall $(DEBUGFLAG) -mtune=core2` (R's defaults)
* Windows Server 2012 R2
* R 3.3.2 + Intel MKL

# Libraries

```{r init}
library(data.table)
library(microbenchmark)
library(Rcpp)
library(ggplot2)
library(plotly)
```

```{r based}

# Helper function to print data well in tables
print_well <- function(data, digits = 6) {
  
  # To milliseconds
  data <- data / 1000000
  
  # Sprintf helper
  sprintf_helper <- paste0("%.0", digits, "f")
  
  cat("| Min | 25% | 50% | 75% | Max | Mean |  \n| --: | --: | --: | --: | --: | --: |  \n| ", sprintf(sprintf_helper, min(data)), " | ", sprintf(sprintf_helper, quantile(data, probs = 0.25)), " | ", sprintf(sprintf_helper, median(data)), " | ", sprintf(sprintf_helper, quantile(data, probs = 0.75)), " | ", sprintf(sprintf_helper, max(data)), " | ", sprintf(sprintf_helper, mean(data)), " |  \n", sep = "")
  
  return(data)
  
}

# Test case function
# Arguments renamed to avoid recursive clash
test_case <- function(f, preds, labels, eps) {
  cat("Test case: ", paste(do.call(f, list(preds = preds[1:50],
                                           labels = labels[1:5],
                                           eps = 1e-15)), collapse = ", "), "  \n", sep = "")
}

# Fastest Logloss function
cppFunction("double Lpp_logloss1(NumericVector preds, NumericVector labels, double eps) {
  NumericVector clamped = clamp(eps, preds, 1 - eps);
  NumericVector loggy = -log(1 - clamped);
  double logloss = sum(loggy) / loggy.size();
  return logloss;
}")

# Fastest Transformer function
cppFunction("NumericVector Lpp_vec2mat2vec(NumericVector preds, NumericVector labels) {
  int labels_size = labels.size();
  NumericVector selected(labels_size);
  selected = (preds.size() / labels_size) * seq(0, labels_size - 1);
  selected = selected + labels;
  NumericVector to_return(labels_size);
  to_return = preds[selected];
  return to_return;
}")

```

# Benchmarking Clamped Vector to Logloss

For a 10-class vector of 1,000,000 observations:

* Vector A of length=(1000000 * 10)
* Vector B of length=(1000000) with 10 classes

```
A = [1:1, 1:2, 1:3, 1:4... 1:10, 2:1, 2:2, 2:3..., 1000000:8, 1000000:9, 1000000:10]
B = [3, 5, 9, 1, 4, 8, 6, ...]
```

Get the following Vector C, D, and E:

```
C = [1:4, 2:6, 3:10, 4:2, 5:5, 6:9, 7:7, ...]
D = Clamped C by 1e-15
E = Mean of logloss(D, B)
```

# Initialize data

```{r bench1}
# Generate random data
set.seed(11111)
data <- runif(10000000, 0, 1)
labels <- round(runif(1000000, 0, 9), digits = 0)

# Background truth example (no clamping though)
array(data[1:50], dim = c(10, 5))
labels[1:5]
data[c(1 + labels[1], 11 + labels[2], 21 + labels[3], 31 + labels[4], 41 + labels[5])]
-log(1 - data[c(1 + labels[1], 11 + labels[2], 21 + labels[3], 31 + labels[4], 41 + labels[5])])
mean(-log(1 - data[c(1 + labels[1], 11 + labels[2], 21 + labels[3], 31 + labels[4], 41 + labels[5])]))

# How many digits for benchmarking in milliseconds
my_digits <- 6L

# How many runs for benchmarking?
my_runs <- 1000L
```

# Benchmarks

```{r bench2, results="asis"}

# ===== BLOCK 1 =====
faster1 <- function(preds, labels, eps = 1e-15) {
  temp_preds <- Lpp_vec2mat2vec(preds, labels)
  temp_log <- Lpp_logloss1(temp_preds, labels, eps)
  return(temp_log)
}
test_case(faster1, preds = data, labels = labels, eps = 1e-15)
data1 <- print_well(microbenchmark(faster1(data, labels), times = my_runs)$time, digits = my_digits)

# ===== BLOCK 2 =====
faster2 <- function(preds, labels, eps = 1e-15) {
  x <- pmin(pmax(preds[((0:(length(labels) - 1)) * (length(preds) / length(labels))) + labels + 1], eps), 1 - eps)
  return(-mean(log(1 - x)))
}
test_case(faster2, preds = data, labels = labels, eps = 1e-15)
data2 <- print_well(microbenchmark(faster2(data, labels), times = my_runs)$time, digits = my_digits)

# ===== BLOCK 3 =====
faster3 <- function(preds, labels, eps = 1e-15) {
  x <- pmin(pmax(preds[((0:(length(labels) - 1)) * (length(preds) / length(labels))) + labels + 1], eps), 1 - eps)
  return(-sum(log(1 - x)) / length(labels))
}
test_case(faster3, preds = data, labels = labels, eps = 1e-15)
data3 <- print_well(microbenchmark(faster3(data, labels), times = my_runs)$time, digits = my_digits)

# ===== BLOCK 4 =====
cppFunction("double faster4(NumericVector preds, NumericVector labels, double eps) {
  int labels_size = labels.size();
  NumericVector selected(labels_size);
  selected = (preds.size() / labels_size) * seq(0, labels_size - 1);
  selected = selected + labels;
  NumericVector to_return(labels_size);
  to_return = preds[selected];
  NumericVector clamped = clamp(eps, to_return, 1 - eps);
  NumericVector loggy = -(log(1 - clamped));
  double logloss = sum(loggy) / labels_size;
  return logloss;
}")
test_case(faster4, preds = data, labels = labels, eps = 1e-15)
data4 <- print_well(microbenchmark(faster4(data, labels, eps = 1e-15), times = my_runs)$time, digits = my_digits)

```

# Summary Results

```{r bench3}

data_time <- data.table(rbindlist(list(data.frame(Time = data1, Bench = "faster1"),
                                       data.frame(Time = data2, Bench = "faster2"),
                                       data.frame(Time = data3, Bench = "faster3"),
                                       data.frame(Time = data4, Bench = "faster4"))))
data_time <- data_time[, t_mean := mean(Time), by = Bench]
data_time <- data_time[, t_median := median(Time), by = Bench]
data_time$Benchs <- data_time$Bench 
levels(data_time$Benchs) <- paste0("faster", 1:4, "= [", sprintf(paste0("%.0", my_digits, "f"), data_time[, list(min(Time)), by = Bench]$V1), ", ", sprintf(paste0("%.0", my_digits, "f"), data_time[, list(max(Time)), by = Bench]$V1), "], mean=", sprintf(paste0("%.0", my_digits, "f"), data_time[, list(mean(Time)), by = Bench]$V1), ", median=", sprintf(paste0("%.0", my_digits, "f"), data_time[, list(median(Time)), by = Bench]$V1))

my_time <- data_time[, list(min(Time), quantile(Time, probs = 0.25), median(Time), quantile(Time, probs = 0.75), max(Time), mean(Time)), by = Bench]
colnames(my_time) <- c("Function", "Min", "25%", "50%", "75%", "Max", "Mean")
my_time <- my_time[order(Mean, decreasing = FALSE), ]
print(my_time, digits = 6)

```

# Plot Results

```{r bench4, fig.height=6, fig.width=10}

ggplotly(ggplot(data = data_time, aes(x = Time)) + geom_histogram(aes(y = ..density..), bins = 20, color = "darkblue", fill = "lightblue") + facet_wrap(~ Benchs, ncol = 2) + geom_vline(aes(xintercept = t_mean), color = "blue", linetype = "dashed", size = 2) + geom_vline(aes(xintercept = t_median), color = "red", linetype = "dashed", size = 2) + labs(x = "Time (Milliseconds)", y = "Density") + theme_bw())

```

```{r bench5, fig.height=6, fig.width=10}
ggplotly(ggplot(data = data_time[, .(Time, Bench)], aes(x = Time, y = ..count.., fill = Bench)) + geom_histogram(aes(y = ..density..), bins = 100, position = "fill") + labs(x = "Time (Milliseconds)", y = "Density") + theme_bw())
```

```{r bench6, fig.height=6, fig.width=10}
ggplotly(ggplot(data = data_time[, .(Time, Bench)], aes(x = Time, y = ..count.., fill = Bench)) + geom_density(position = "fill") + labs(x = "Time (Milliseconds)", y = "Density") + theme_bw())
```

# Scaling Benchmarks

```{r bench_scale1}

Benchmarker <- function(f, size, runs, digits, name) {
  
  data_runs <- list()
  
  for (i in 1:length(size)) {
    set.seed(11111)
    data <- runif(size[i] * 10, 0, 1)
    labels <- round(runif(size[i], 0, 9), digits = 0)
    cat("  \n  \n## ", name, " run: ",format(size[i], big.mark = ",", scientific = FALSE), " samples (", format(runs[i], big.mark = ",", scientific = FALSE), " times)  \n  \n", sep = "")
    test_case(f, preds = data, labels = labels, eps = 1e-15)
    cat("  \n")
    data_runs[[i]] <- print_well(microbenchmark(f(data, labels, eps = 1e-15), times = runs[i])$time, digits = digits)
    data_runs[[i]] <- data.table(Bench = as.factor(paste0("[", i, "] ", format(size[i], big.mark = ",", scientific = FALSE))), Function = as.factor(name), Time = data_runs[[i]])
    gc(verbose = FALSE)
  }
  
  return(data_runs)
  
}

bench_size <- c(100, 1000, 10000, 100000, 1000000, 10000000)
bench_runs <- c(10000, 5000, 1000, 500, 100, 50)

```

```{r bench_scale2, results="asis"}

run1 <- Benchmarker(faster3, bench_size, bench_runs, my_digits, "Pure R")
run2 <- Benchmarker(faster4, bench_size, bench_runs, my_digits, "Rcpp")

```

# Scaling Results

```{r bench_scale3}

run1_all <- rbindlist(run1)
run2_all <- rbindlist(run2)
run_all <- rbind(run1_all, run2_all)
run_all$Repeats <- rep(inverse.rle(list(lengths = bench_runs, values = bench_size)), 2)
run_all$MilObs <- (1000 / run_all$Time) * run_all$Repeats / 1000000
run_time <- run_all[, list(quantile(Time, probs = 0.05), median(Time), quantile(Time, probs = 0.95), mean(Time)), by = list(Function, Bench)]
colnames(run_time) <- c("Function", "Benchmark", "5%", "50%", "95%", "Mean")
run_time$`Mil.Obs/s` <- (1000 / run_time$Mean) * bench_size / 1000000
run_time$`5%` <- format(run_time$`5%`, digits = 6, scientific = FALSE)
run_time$`50%` <- format(run_time$`50%`, digits = 6, scientific = FALSE)
run_time$`95%` <- format(run_time$`95%`, digits = 6, scientific = FALSE)
run_time$Mean <- format(run_time$Mean, digits = 6, scientific = FALSE)
run_time$`Mil.Obs/s` <- format(run_time$`Mil.Obs/s`, digits = 6, scientific = FALSE)

print(run_time[1:(nrow(run_time) / 2)])
print(run_time[(nrow(run_time) / 2 + 1):nrow(run_time)])

```

```{r bench_scale4, fig.height=6, fig.width=10}

ggplot(run_all, aes(x = Bench, y = Time, color = Function, fill = Bench)) + geom_boxplot() + scale_y_log10(labels = scales::comma, breaks = c(0.01, 0.1, 1, 10, 100, 1000, 10000)) + stat_summary(fun.y = mean, geom = "line", aes(group = Function)) + stat_summary(fun.y = mean, geom = "point", aes(group = Function)) + labs(x = "Benchmark", y = "Time (Milliseconds)") + theme_bw()

```

```{r bench_scale5, fig.height=6, fig.width=10}

ggplot(run_all, aes(x = Bench, y = MilObs, color = Function, fill = Bench)) + geom_boxplot() + scale_y_log10(labels = scales::comma, breaks = c(1, 2.5, 5, 7.5, 10, 12.5, 15, 17.5, 20, 22.5, 25), limits = c(1, NA)) + stat_summary(fun.y = mean, geom = "line", aes(group = Function)) + stat_summary(fun.y = mean, geom = "point", aes(group = Function)) + labs(x = "Benchmark", y = "Throughput (Million Obs./s)") + theme_bw()

```

```{r bench_scale6, fig.height=6, fig.width=10}

ggplot(data = run_all, aes(x = MilObs, color = Function, fill = Function, group = Function)) + coord_flip() + stat_ecdf(aes(ymin = ..y.., ymax = 1), alpha = 0.5, geom = "ribbon") + stat_ecdf(geom = "line", size = 2, alpha = 0.75, pad = FALSE) + labs(x = "Throughput (Million Obs./s)", y = "Percentile") + facet_wrap(~ Bench, dir = "h", ncol = 2, scales = "free") + theme_bw()

```
